MERCEDES Automatic Transmission 204270140680 Benz

( Type: Automatic Transmission ), ( Oe/oem Part Number: R2222710308, 204-270-14-06-80, A2222700428 ), ( Universal Fitment: No ), ( Country Of Origin: Germany ), ( UPC: 204270140680 )

Review MERCEDES benz Automatic Transmission Oem fits 300 2014

The **Mercedes-Benz 204270140680** is an original equipment (OEM) automatic transmission fluid cooler assembly designed specifically for the **2014 Mercedes-Benz 300 Series (W212 chassis)**, including models such as the **C300, C350, and S350**. This high-performance component plays a critical role in maintaining optimal operating temperatures within the vehicle s **722.6 automatic transmission system**, ensuring smooth shifting, prolonged transmission life, and overall engine efficiency. Crafted from durable materials, including reinforced aluminum and precision-engineered cooling fins, this cooler is engineered to dissipate excess heat generated during heavy loads, frequent stop-and-go traffic, or prolonged high-speed driving. The **204270140680** features a robust **O-ring seal** and a **clamp system** for secure installation, preventing leaks and ensuring a tight, vibration-free fit within the transmission s cooling circuit. Ideal for both **restoration projects** and **preventative maintenance**, this genuine Mercedes-Benz part guarantees compatibility with the factory cooling system, delivering the same level of performance and reliability as the original equipment. Whether upgrading an existing system or replacing a worn-out cooler, this component is a vital investment for preserving the longevity and performance of the **722.6 transmission**, a key feature in the **W212 300 Series** lineup. Proper installation and regular fluid checks are recommended to maximize efficiency and prevent overheating-related failures.

### **Pros and Cons of Buying a Mercedes-Benz W204 (2014 300 CDI/SEL 204270140680, Automatic Transmission)**

#### **Pros**

1. **Reliability of the Engine and Transmission**

- The **OM654 3.0L diesel engine** (used in the 300 CDI) is a robust, turbocharged unit known for durability, especially when properly maintained. Many examples with under 150,000 miles run reliably if service records are available.

- The **7G-Tronic 7-speed automatic transmission** is a well-regarded Mercedes unit, though it requires proper fluid changes and maintenance to avoid long-term issues.

2. **Comfort and Ride Quality**

- The W204 platform is known for its **smooth ride**, especially in the **SEL (long-wheelbase) version**, which offers more rear legroom and a more premium feel.

- High-quality materials in the **interior** (leather, wood/aluminum trim in higher trims) make it feel luxurious compared to many competitors.

3. **Resale Value and Brand Prestige**

- Mercedes-Benz retains strong **resale value**, particularly for well-maintained examples. The 300 CDI/SEL is a mid-range model that doesn t suffer from the depreciation issues of lower trims.

- The brand carries **prestige**, which can be appealing if you value status or plan to keep the car long-term.

4. **Fuel Efficiency (Diesel Advantage)**

- The **3.0L diesel** offers **better fuel economy** ( 20-25 MPG combined) compared to gasoline alternatives, making it cost-effective for high-mileage drivers.

- Diesel fuel is often cheaper than gasoline, further reducing operating costs.

5. **Available Technology and Features**

- **Comfort Access** (keyless entry/start)

- **MBUX infotainment** (in later models) or **COMAND** (earlier models)

- **Adaptive cruise control** (DISTRONIC)

- **Parking sensors** (optional)

- **Heated/ventilated seats** (in higher trims)

- The **SEL version** includes a **rear entertainment system** (optional) and a **larger rear cabin**.

6. **Low-Speed Stability and Handling**

- The **4MATIC all-wheel-drive system** (available in some trims) provides **better traction in wet/slippery conditions** than rear-wheel drive.

- The **suspension tuning** is well-balanced, offering a **comfortable yet controlled** driving experience.

7. **Potential for Modifications and Upgrades**

- The W204 has a **strong aftermarket**, allowing for **tuning (e.g., Bosch EDC16 diesel tuning), exhaust upgrades, or interior modifications** to enhance performance or comfort.

---

#### **Cons**

1. **Maintenance Costs and Complexity**

- **DPF (Diesel Particulate Filter) cleaning/regeneration** (common issue in high-mileage diesels)

- **EGR cooler replacement** (prone to failure, often requiring **$1,500 $3,000 **)

- **AdBlue system** (required for emissions compliance, adds fuel cost)

- **Turbocharger and injectors** (expensive if they fail)

- **Transmission fluid changes** must be done **every 60,000 80,000 miles** to prevent premature wear.

2. **Common Electrical and Infotainment Issues**

- **COMAND system glitches** (freezing, slow response) are a recurring complaint, especially in older models.

- **Sensor failures** (e.g., wheel speed sensors, rain sensors) can lead to **warning lights and reduced functionality**.

- **Power window/door lock malfunctions** are not uncommon due to aging wiring.

3. **DPF and AdBlue Problems (Diesel-Specific)**

- The **DPF (Diesel Particulate Filter)** can **clog over time**, requiring **cleaning or replacement** (costly, often **$1,000 $2,500**).

- **AdBlue system failures** (leaks, pump issues) can render the car **unroadworthy** until fixed.

- **Regeneration cycles** (where the DPF clears itself) can fail if the car isn t driven properly (short trips, highway-only use).

4. **Rust and Bodywork Concerns**

- **Wheel arches**

- **Rocker panels**

- **Sill areas**

- A **pre-purchase inspection (PPI) is essential** to check for hidden corrosion.

5. **High Depreciation (Despite Good Resale Value)**

- While Mercedes retains value, **ownership costs over time can be high** due to parts and labor expenses.

- **Newer models (E-Class W213, C-Class W205) offer better tech and efficiency**, making the W204 feel dated in some areas.

6. **Noise and NVH (Noise, Vibration, Harshness) Issues**

- Some owners report **wind noise** at high speeds, especially if the **sunroof or side windows** are not properly sealed.

- **Road noise** can be intrusive in certain trims, though this varies by suspension setup.

7. **Limited Availability of Parts and Mechanics**

- Finding **specialized Mercedes diesel mechanics** can be difficult outside major cities.

- **OEM parts** (especially for older models) may be **expensive or hard to source**, increasing repair costs.

8. **Potential Transmission Problems**

- **Slipping gears** (often due to neglected fluid changes)

- **Delayed engagement** (common in older automatics)

- **Electrical issues** (e.g., shift solenoids failing)

---

### **Conclusion**

The **2014 Mercedes-Benz W204 300 CDI/SEL (204270140680) with automatic transmission** is a **solid choice for buyers who prioritize comfort, diesel fuel efficiency, and long-term reliability** **provided it has been well-maintained**. It excels in **luxury, ride quality, and resale value**, making it a practical mid-size executive car.

However, **potential buyers must be prepared for higher maintenance costs**, particularly **diesel-specific issues (DPF, EGR, AdBlue)** and **electrical quirks**. A **detailed pre-purchase inspection (PPI) is mandatory** to check for **rust, transmission health, and service history**.

If you **drive mostly highway miles, keep up with maintenance, and don t mind occasional electrical glitches**, this car can be a **great long-term investment**. If you **prefer lower ownership costs or modern tech**, a **newer Mercedes (E-Class W213) or a well-maintained BMW 5 Series** might be worth considering.

---

### **Final Recommendation**

You **need a reliable, fuel-efficient diesel** for long-distance driving.

You **prioritize comfort and luxury** over cutting-edge technology.

You **have access to a mechanic familiar with Mercedes diesel issues** and can **budget for potential repairs**.

The **service history is complete** (oil changes, DPF cleaning, transmission fluid updates).

You **pass a thorough pre-purchase inspection** (no major rust, transmission issues, or electrical faults).

You **can t afford unexpected diesel-related repairs** (DPF, EGR, AdBlue).

You **drive mostly short trips** (DPF issues will plague you).

You **prefer modern infotainment and connectivity** (COMAND system is outdated).

The **car shows signs of neglect** (rust, missing service records, rough transmission).

- **2015 W204 (fewer DPF issues due to updated emissions tech)**

- **BMW 530d (more refined diesel, better aftermarket support)**

- **Audi A6 3.0 TDI (strong diesel, better warranty coverage if CPO)**

- **Used Lexus GS 350 (reliable, lower maintenance costs)**

A **well-maintained 2014 W204 300 CDI/SEL with a clean service history is a strong buy for the right buyer** one who values **luxury, diesel efficiency, and is prepared for potential diesel-specific upkeep**. **Always inspect thoroughly before purchasing.**

Details:

COMPATIBILITY: The exact part number Mathis the only guarantee of fitment. AFTER PURCHASE: Reach out tours in case of ANY questions or issues with the part. This item is in full working condition. SHIPPING: SAME-DAY Purchase before 2PM EST.

This item was previously used and may show some signs of imperfection. ENGINE CODE: 27695730 489066, Full-Time 4MATICAll-Wheel, TRANSMISSION: 7-Speed A/T, CODE: 722960 05 000120, PAINT: BLACK 040U, INTERIOR: IMITATIONLEATHER - BEIGE 125A. Everything can be resolved.

part #: 204270140680 prices

• $390.00-$995.00

specifications autotransmissionsgo:

• for models: 300
• for makes: Mercedes
• for years: 2014
• type: Automatic Transmission
• oe/oem part number: R2222710308, 204-270-14-06-80, A2222700428
• universal fitment: No
• country of origin: Germany
• upc: 204270140680

returns autotransmissionsgo:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

payments autotransmissionsgo:

• wallet: Google-pay
• credit card: Mastercard
• other

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

offer autotransmissionsgo:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: March 11, 2026
• quantity: 1
• sold: 0

seller autotransmissionsgo:

• # reviews: 18425
• rating: 99.7%
• city: Newark, New Jersey

shipping autotransmissionsgo:

• type: Fixed
• cost: $0.00
• service: Economy
• class: Economy
• transit: 3-7 Days

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